Home / 2,582.74-3,876.54-1,351.09

Finding the Fourth Proportional to 2,582.74, 3,876.54 and 1,351.09

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Solution

The fourth proportional to 2,582.74, 3,876.54 and 1,351.09 is: 2,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.74 : 3,876.54 = 1,351.09 : x
  2. Step 2: Convert to fraction form
    2,582.74/3,876.54 = 1,351.09/x
  3. Step 3: Cross multiply
    2,582.74x = 3,876.54 × 1,351.09
  4. Step 4: Simplify right side
    2,582.74x = 5,237,554.43
  5. Step 5: Solve for x
    x = 5,237,554.43/2,582.74
  6. Step 6: Final answer
    x = 2,027.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.